CN102257811A - Mobile terminal multimedia broadcast driving interface and realizing method - Google Patents

Mobile terminal multimedia broadcast driving interface and realizing method Download PDF

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Publication number
CN102257811A
CN102257811A CN2008801324231A CN200880132423A CN102257811A CN 102257811 A CN102257811 A CN 102257811A CN 2008801324231 A CN2008801324231 A CN 2008801324231A CN 200880132423 A CN200880132423 A CN 200880132423A CN 102257811 A CN102257811 A CN 102257811A
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slow
data
read
control information
passage
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CN102257811B (en
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秋林
阮美思
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ZTE Corp
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ZTE Corp
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41Structure of client; Structure of client peripherals
    • H04N21/414Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
    • H04N21/41407Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance embedded in a portable device, e.g. video client on a mobile phone, PDA, laptop
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41Structure of client; Structure of client peripherals
    • H04N21/414Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Engineering & Computer Science (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Telephone Function (AREA)

Abstract

The present invention discloses a mobile terminal multimedia broadcast driving interface and a realizing method, wherein the driving interface is a logic interface set between a lower read interface and an upper application interface of a terminal, and the logic interface is triggered via the application interface to work at least when the application needs to read the multimedia broadcast data stored in the terminal, and the logic interface is used for separating the payload data and the control information from the multimedia broadcast data read from the read interface, and buffering them to different channels respectively for read by the application via the application interface. The present invention provides an uniform interface for different types of the terminal chips, meanwhile the developing flow is simplified, and the developing period is shorten, thereby the producing cost of a product is reduced.

Description

Mobile terminal multimedia broadcast driving interface and realizing method
Mobile terminal multimedia broadcast driving interface and implementation method
Technical field
The present invention relates to the embedded system applied to mobile terminal, more particularly to mobile terminal multimedia broadcast driving interface and implementation method.
Background technology
China Mobile Multimedia Broadcasting (CMMB, China Mobile Multimedia Broadcasting) it is the mobile multimedia broadcast television technology with independent intellectual property right that SARFT(The State Administration of Radio and Television) promulgates, it is mainly used to provide digital audio/video and information service to various portable terminals by radiated television nerve of a covering;CMMB advantage is that it is possible to, by satellite communication, admirably solve mobile terminal(Mobile TV)The slack problem of signal, while CMMB is managed by SARFT(The State Administration of Radio and Television) at present, its responsible film, TV and broadcast program carrier, with abundant TV programme resource.
CMMB application program is realized on handheld terminal, need by calling the driving interface of terminal chip to go to read multiplexed frame and part control information, it is up to give application program, while also needing to descending some control information of write-in chip, carry out the behavior of control chip.
CMMB terminal chip type in the market is relatively more, and solution is not quite similar.For example, in some chips, multiplexed frame and control information are transmitted on same data/address bus;And in other chip, both are separately transmitted.
Therefore, the driver such as fruit chip is only driving chip, and the data to reception are transmitted to upper level applications with being not added with any processing, will trigger two problems:
One is for multiplexed frame and control information are closed the chip transmitted on same bus by those, to write data(I.e. chip rigid connection, which receives data, needs write-in)When need to do data corresponding packing processing;When application program reads data(I.e. when needing to use data)Need to separate data, thus directly increase the complexity of program, cause the construction cycle to extend.
Two are due to and there is the chip that multiplexed frame and control information are separately transmitted, destroy the uniformity and versatility of driving interface, application program is caused there are two sets of logics, or even sometimes for for two kinds of chip developments, two different editions, this also results in construction cycle extension. As can be seen here, it is necessary to be improved to existing mobile terminal multimedia broadcast driving interface, the driving applied to polytype terminal chip can be unified.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of mobile terminal multimedia broadcast driving interface and implementation method, and upper level applications can be broadcasted for terminal multi-media and provide the unified interface for being applied to any types chip.
In order to solve the above-mentioned technical problem, the invention provides a kind of mobile terminal multimedia broadcast driving interface implementation method, including:A logic interfacing is configured between the reading interface of the bottom of terminal and the application programming interfaces on upper strata;In the multimedia broadcast data that application program needs reading terminals to store, payload data and control information will be isolated from the multimedia broadcast data for reading interface reading by logic interfacing, and Slow is stored to different passages respectively, program to be applied is read by the application programming interfaces.
Further, the payload data Slow of separation is stored to payload data passage by the logic interfacing, and the control information Slow of separation is stored into ascending control information passage.
Further, the logic interfacing is also connected with the interface of writing of the bottom of terminal, when application program is needed to terminal write control information, the control information Slow for needing to write is stored to Downlink Control Information passage by application programming interfaces, then the control information that will be read by the logic interfacing from Downlink Control Information passage, is sent on the data/address bus of terminal from interface is write.
Further, the agreement that the logic interfacing is arranged according to terminal with corresponding multi-media broadcasting system, carries out the separation of payload data and control information.
Further, the payload data passage and ascending control information passage in the logic interfacing, respectively by creating and safeguarding that a FIFO FIFO is realized to the first example of row and the second example;Or, the Downlink Control Information passage in the logic interfacing, by creating and safeguarding that FIFO is realized to the 3rd example of row;Wherein, payload data passage is used for read-only, and ascending control information passage or Downlink Control Information passage are used to read-write.
Further, FIFO deposits list to row by the first Slow and the 2nd Slow deposits list and realized;First Slow deposits list and is used for arranging Slow counterfoils just in Slow deposit data uses, and the 2nd Slow deposits list and is used for arranging the empty block of non-Slow deposit datas or has been removed reusable piece of data; Before corresponding passage Slow deposit datas, the first Slow of initialization deposits list and the 2nd Slow deposits list, and the first Slow also is deposited into list is set to sky, and adds the 2nd Slow one by one and deposit list a number of Slow counterfoils of distribution;
When having data to Slow and being stored to corresponding passage, if it is not sky that the 2nd Slow, which deposits list, then apply for that Section 1 Slow counterfoils carry out data Slow and deposited in the 2nd Slow deposits list, and the first Slow of Section 1 Slow counterfoils immigration is deposited into last of list, then Slow deposits operation normal termination;If it is sky that the 2nd Slow, which deposits list, it is not that empty and waiting has not timed out to wait and deposit list to the 2nd Slow, proceeds data Slow and deposits and its subsequent operation, Slow deposits operation exception and terminated if time-out is waited;
When to read data from corresponding passage, if it is not sky that the first Slow, which deposits list, then from the first Slow deposit list in take out Section 1 Slow counterfoils, and after digital independent by Section 1 Slow counterfoils move into the 2nd Slow deposit list last, then read operation normal termination;If it is sky that the first Slow, which deposits list, it is not that empty and waiting has not timed out to wait and deposit list to the first Slow, proceeds digital independent and its subsequent operation, the read operation abnormal ending if time-out is waited.
In order to solve the above-mentioned technical problem, the invention provides a kind of mobile terminal multimedia broadcast driving interface, the driving interface is disposed on the logic interfacing read between interface and the application programming interfaces on upper strata of the bottom of terminal, the logic interfacing is at least in the multimedia broadcast data that application program needs reading terminals to store, work is triggered by application programming interfaces, for payload data and control information will to be isolated from the multimedia broadcast data for reading interface reading, and Slow is stored to different passages respectively, program to be applied is read by application programming interfaces.
Further, the logic interfacing includes the read-write distribution module and data channel module of interconnection, wherein:Data channel module, at least creating and safeguarding payload data passage and ascending control information passage;
Read-write distribution module is connected with reading interface, for the payload data of separation to be stored into payload data passage by data channel module Slow, and the control information of separation is stored to ascending control information passage by data channel module Slow, instruction then can be read to application programming interfaces returned data.
Further, the logic interfacing triggers work also when application program will be to terminal write control information by application programming interfaces; Data channel module is additionally operable to create and safeguards Downlink Control Information passage;
Read-write distribution module is also connected with the interface of writing of the bottom of terminal, for that will be write by application programming interfaces in application program after the control information Slow of terminal is stored to Downlink Control Information passage, the control information that will be read by data channel module from Downlink Control Information passage, and from the data/address bus for writing interface and being sent to terminal, then, instruction is had been written into application programming interfaces returned data.
Further, payload data passage be used for it is read-only, ascending control information passage or Downlink Control Information passage are used to read or write;Payload data passage, ascending control information passage and Downlink Control Information passage deposit area containing respective first Slow and respective 2nd Slow deposits area, wherein:First Slow deposits area, for be arranged with just one or more of use Slow counterfoils in Slow deposit datas when, by data channel module when receiving data read request from application programming interfaces, the data of Section 1 Slow counterfoils are read, and the data are carried in the digital independent returned to application programming interfaces normally response;Meanwhile, the 2nd Slow that the Section 1 Slow counterfoils for being read data are placed in respective channel by data channel module deposits last of area;
2nd Slow deposits area, for when being arranged with the empty Slow counterfoils of non-Slow deposit datas or being removed the reusable Slow counterfoils of data, by data channel module when receiving data Slow from read-write distribution module and depositing request, be there is into Section 1 Slow counterfoils in the data Slow carried in request, meanwhile, the first Slow that the Section 1 Slow counterfoils for writing data are placed in respective channel by data channel module deposits last of area.
The driving interface and method provided using the present invention, by the way that multiplexed frame and control information are separated, and by using read-write dual-channel technology, terminal development personnel are enabled to only need to develop a set of application program for the mainboard of different types of CMMB chips, the logic of upper level applications can be simplified as much as possible simultaneously, therefore simplify development process and shorten the construction cycle.At the same time, no longer need to determine the application version to be downloaded by judging motherboard type on production line, thereby reduce production cost.
Summary of drawings
Fig. 1 is the structured flowchart of the CMMB terminal driving interface embodiment of the present invention;
Fig. 2 is the flow chart that CMMB terminal driving interface of the present invention carries out reading and writing data distribution operation;Fig. 3 is that CMMB terminal driving interface of the present invention carries out data channel initialization, the flow of write operation Figure;
Fig. 4 is the flow chart that the present invention carries out data channel read operation for CMMB end applications interface.The better embodiment of the present invention
Mobile terminal multimedia broadcast driving interface and implementation method that the present invention is provided, its core element is:One and device-independent logic interfacing are added between the read-write operation interface of chip bottom and the application programming interfaces on upper strata, the logic interfacing at least includes read-write distribution module, payload data passage and ascending control information passage;When application program needs to read data, the multimedia broadcast data flow point read from the reading interface of read-write operation interface is separated out by payload data and control information by the read-write distribution module, payload data passage and ascending control information passage are respectively implanted, so that application program is read.Below in conjunction with accompanying drawing, and using CMMB terminal as preferred embodiment, the above-mentioned technical proposal of the present invention is explained in detail and illustrated.Here, using CMMB terminal as embodiment, it is only for the description and interpretation present invention, it is not intended to be limiting of the invention.The present invention can be applied in the terminal of various multi-media broadcasting systems.
Fig. 1 indicates the structured flowchart for the CMMB terminal multimedia broadcasting driving interface that the present invention is provided.As shown in Figure 1, the driving interface is actually one and the device-independent logic interfacing 100 that the present invention is added between the read-write operation interface of the chip bottom and the application programming interfaces on upper strata, includes the read-write distribution module 110 and data channel module 120 of interconnection;Wherein:
Read-write operation interface includes reading interface and writes interface, and reading interface is at least used to read the multimedia broadcast data stream that chip is received in terminal memory;The Downlink Control Information that writing interface is at least used to application program to write chip is sent to data/address bus;
Distribution module 110 is read and write, it is also upper respectively be connected with application programming interfaces, it is lower with reading interface and to write interface and be connected, for when application program needs to read and write data, supply program interface call;When application program will read data and be called, by the multiplexed frame payload data and ascending control information by reading to isolate in the data flow that interface is read, multiplexed frame passage therein and data feedback channel are respectively implanted by data channel module 120, and instruction can be read to application programming interfaces returned data;When application program will write data quilt When calling, the Downlink Control Information that will be obtained by data channel module 120 from down going channel is sent on data/address bus, and have been written into instruction to application programming interfaces returned data from interface is write;
Data channel module 120, for being respectively created and safeguarding that Slow deposits multiplexed frame passage, data feedback channel and the down going channel of multiplexing frame data, ascending control information and Downlink Control Information;
Application programming interfaces, for when application program will read data, call read-write distribution module 110, and receiving after instruction can be read in data, multiplexed frame payload data and ascending control information are read from multiplexed frame passage and data feedback channel by data channel module 120 respectively;When application program needs to write data, the Downlink Control Information write-in down going channel of chip will be first write, and calls the read-write write-in Downlink Control Information of distribution module 110.
Data channel module 120 creates and safeguarded multiplexed frame passage, data feedback channel and down going channel, is by creating and safeguarding that a First Input First Output FIFO is realized to three examples of row.Wherein, multiplexed frame passage is used for read-only, and data feedback channel and down going channel are used equally for read-write.
Create and safeguard a First Input First Output FIFO to row, it is then by creating and safeguarding that two lists of the FIFO to row are realized, first list is that, for arranging the Slow counterfoils list (used list) just in Slow deposit data uses, second list is for the empty block for arranging non-Slow deposit datas or the reusable piece of list (unused list) for being removed data.
In read-write distribution module to before corresponding passage Slow deposit datas, data channel module initializes two lists first, and used list also are set into sky, a number of Slow counterfoils will be distributed and add unused list one by one.
When read-write distribution module will be to the corresponding passage Slow deposit datas, send data Slow to data channel module and deposit request, and after the normal Slow for receiving the return of data channel module deposits response, instruction can be read in returned data;Application programming interfaces are being received after instruction can be read in the data, and data read request is sent to data channel module, and the digital independent returned by data channel module normally responds the corresponding data of acquisition;Data channel module is being received after data Slow deposits request, if it is determined that unused list are not sky, in the Section 1 Slow counterfoils that the data Slow carried in request is then existed to unused list, and Section 1 Slow counterfoils are moved into last of used list, then returning to normal Slow to read-write distribution module deposits response;If it is determined that unused list are sky, then wait to unused list and do not had not timed out for empty and waiting, proceeded Data Slow is deposited and its subsequent operation, and is returned to normal Slow and deposited response;Exception Slow is returned to read-write distribution module deposit response if time-out is waited;The abnormal Slow is deposited response and passes to application programming interfaces by read-write distribution module;Data channel module is when receiving data read request, if it is determined that used list are not sky, then the data that Section 1 Slow counterfoils are read from used list are carried in the digital independent returned to application programming interfaces normally response, meanwhile, Section 1 Slow counterfoils are moved into last of unused list;If it is determined that used list are sky, then wait to used list and do not had not timed out for empty and waiting, proceed digital independent and its subsequent operation, and returned data reads normal response;If time-out is waited exception response is read to application programming interfaces returned data.
It is, when upper level applications need read-write data, to call execution by application programming interfaces, comprise the following steps as shown in Fig. 2 carrying out the flow chart of reading and writing data distribution operation for the mobile terminal multimedia broadcast driving interface of the present invention:
210:Multiplexed frame passage, control information data feedback channel and control information down going channel are instantiated respectively;
220:Determine whether read operation, be then to perform step 230, otherwise perform step 250;
230:Reading interface is called to read multimedia broadcast data;
240:The data read are separated according to agreement, and the multiplexed frame payload of separation, ascending control information are distributed to multiplexed frame passage and control information data feedback channel respectively, then terminate flow;
Here agreement, for example for CMMB system, is stated by the information in multiplex frame head.Other multi-media broadcasting systems also have corresponding protocol expression, this no longer --- repeat.
250:The application program Downlink Control Information data to be write are obtained from down going channel;
260:Call and write interface, control information is sent on data/address bus, then terminate flow.
The multiplexed frame payload of separation, ascending control information are distributed to multiplexed frame passage and control information data feedback channel respectively described in step 240, realize that the flow comprises the following steps particular by the initialization shown in Fig. 3, write operation flow:
301 :Judge whether this write operation needs initialization, be then to perform step 302, otherwise perform step
305; 302:Used list and unused lists of the FIFO to row is created, and used list are set to sky; 303:The Slow counterfoils of distribution are added to unused list one by one;
304:Apply for Slow counterfoils from unused list;
305:Whether be empty, be then to perform step 308, otherwise perform step 306 if judging unused list; 306:Section 1 Slow counterfoils in unused list are write data into, and Section 1 Slow counterfoils are moved into last of used list;
307:Normal return code is set, and returned;
308:Data process obstruction is write, is waited;
309:Judge whether overtime to wait, be then to perform step 310, otherwise return to step 305 is performed; 310:Abnormal return code is set, and returned.
When above-mentioned flow is returned by normal return code, application programming interfaces will pass through flow progress multiplexed frame payload data or the reading of ascending control information of the data channel read operation shown in Fig. 4, comprise the following steps:
401 :Whether the used list for judging corresponding data passage are empty, are then to perform step 404, otherwise perform step 402;
402:Take the Section 1 Slow counterfoils in used list, read after data and Section 1 Slow counterfoils are moved into last of unused list;
403:Normal return code is set, and returned;
404:Data process blocking is read, is waited;
405:Judge whether overtime to wait, be then to perform step 406, otherwise return to step 401 is performed;
406:Abnormal return code is set, and returned.
In summary, the mobile terminal multimedia broadcast driving interface that the present invention is provided, by the way that multiplexed frame and control information are separated, unified interface is provided for different types of terminal chip, simultaneously because simplifying the logic of upper level applications, and simplify development process and shorten the construction cycle.Also, due to On production line production cost is reduced for the unification of the application version to be downloaded of motherboard type.
Certainly, the present invention can also have other various embodiments, without departing substantially from spirit of the invention and its essence but these corresponding change and deformation should all belong to the protection domain of appended claims of the invention.
The industrial applicibility present invention can provide unified interface for different types of terminal chip, while can simplify development process and shorten the construction cycle, thereby, it is possible to reduce the production cost of product.

Claims (8)

  1. Claims
    1st, a kind of mobile terminal multimedia broadcast driving interface implementation method, including:A logic interfacing is configured between the reading interface of the bottom of the terminal and the application programming interfaces on upper strata;When application program needs to read the multimedia broadcast data of the terminal storage, the multimedia broadcast data read from the reading interface is isolated by payload data and control information by the logic interfacing, and Slow is stored to different passages respectively, treat that the application program is read by the application programming interfaces.
    2nd, in accordance with the method for claim 1, it is characterised in that the payload data Slow of separation is stored to payload data passage by the logic interfacing, and the control information Slow of separation is stored into ascending control information passage.3rd, according to the method described in claim 1 or 2, it is characterized in that, the logic interfacing is also connected with the interface of writing of the bottom of the terminal, when the application program is needed to the terminal write control information, the control information Slow for needing to write is stored to Downlink Control Information passage by the application programming interfaces, then the control information that will be read by the logic interfacing from the Downlink Control Information passage, is sent on the data/address bus of the terminal from the interface of writing.4th, in accordance with the method for claim 1, it is characterised in that the agreement that the logic interfacing is arranged according to the terminal with corresponding multi-media broadcasting system, the separation of the payload data and the control information is carried out.
    5th, in accordance with the method for claim 3, it is characterized in that, the payload data passage and the ascending control information passage in the logic interfacing, respectively by creating and safeguarding that a FIFO FIFO is realized to the first example of row and the second example;Or, the Downlink Control Information passage in the logic interfacing, by creating and safeguarding that the FIFO is realized to the 3rd example of row;Wherein, the payload data passage is used for read-only, and the ascending control information passage or the Downlink Control Information passage are used to read-write.
    6th, in accordance with the method for claim 5, it is characterised in that the FIFO deposits list by the first Slow to row and the 2nd Slow deposits list and realized;First Slow deposits list and is used for arranging Slow counterfoils just in Slow deposit data uses, and the 2nd Slow deposits list and is used for arranging the empty block of non-Slow deposit datas or has been removed reusable piece of data; Before the corresponding passage Slow deposit datas, initialize that the first Slow deposits list and the 2nd Slow deposits list, also will the first Slow deposit list and be set to sky, and a number of Slow counterfoils of distribution are added the 2nd Slow and deposit list one by one;
    When having data to Slow and being stored to corresponding passage, if it is not sky that the 2nd Slow, which deposits list, then apply for that Section 1 Slow counterfoils carry out data Slow and deposited in the 2nd Slow deposits list, and Section 1 Slow counterfoils immigration the first Slow is deposited into last of list, then Slow deposits operation normal termination;If it is sky that the 2nd Slow, which deposits list, it is not that empty and waiting has not timed out to wait and deposit list to the 2nd Slow, proceeds the data Slow and deposits and its subsequent operation, the Slow deposits operation exception and terminated if time-out is waited;
    When to read data from corresponding passage, if it is not sky that the first Slow, which deposits list, then from the first Slow deposit list in take out Section 1 Slow counterfoils, and after digital independent by Section 1 Slow counterfoils move into the 2nd Slow deposit list last, then read operation normal termination;If it is sky that the first Slow, which deposits list, it is not that empty and waiting has not timed out to wait and deposit list to the first Slow, proceeds the digital independent and its subsequent operation, the read operation abnormal ending if time-out is waited.
    7, a kind of mobile terminal multimedia broadcast driving interface, it is characterized in that, the driving interface is disposed on the logic interfacing read between interface and the application programming interfaces on upper strata of the bottom of the terminal, the logic interfacing is at least when application program needs to read the multimedia broadcast data of the terminal storage, pass through the application programming interfaces triggering work, for the multimedia broadcast data read from the reading interface to be isolated into payload data and control information, and Slow is stored to different passages respectively, treat that the application program is read by the application programming interfaces.
    8th, according to the driving interface described in claim 7, it is characterised in that the logic interfacing includes the read-write distribution module and data channel module of interconnection, wherein:
    The data channel module, at least creating and safeguarding payload data passage and ascending control information passage;
    The read-write distribution module is connected with the reading interface, for the payload data of separation to be stored into the payload data passage by the data channel module Slow, and the control information of separation is stored to the ascending control information passage by the data channel module Slow, instruction then can be read to the application programming interfaces returned data.
    9th, according to the driving interface described in claim 8, it is characterised in that the logic interfacing also exists When the application program will be to the terminal write control information, pass through the application programming interfaces triggering work;
    The data channel module is additionally operable to create and safeguards Downlink Control Information passage;
    The read-write distribution module is also connected with the interface of writing of the bottom of the terminal, for that will be write by the application programming interfaces in the application program after the control information Slow of the terminal is stored to the Downlink Control Information passage, the control information that will be read by the data channel module from the Downlink Control Information passage, and write the data/address bus that interface is sent to the terminal from described, then, instruction is had been written into the application programming interfaces returned data.
    10th, according to the driving interface described in claim 9, it is characterised in that the payload data passage be used for it is read-only, the ascending control information passage or the Downlink Control Information passage are used to read or write;The payload data passage, the ascending control information passage and the Downlink Control Information passage deposit area containing respective first Slow and respective 2nd Slow deposits area, wherein:
    First Slow deposits area, for be arranged with just one or more of use Slow counterfoils in Slow deposit datas when, by the data channel module when receiving data read request from the application programming interfaces, the data of Section 1 Slow counterfoils are read, and the data are carried in the digital independent returned to the application programming interfaces normally response;Meanwhile, the 2nd Slow that the Section 1 Slow counterfoils for being read data are placed in respective channel by the data channel module deposits last of area;
    2nd Slow deposits area, for when being arranged with the empty Slow counterfoils of non-Slow deposit datas or being removed the reusable Slow counterfoils of data, by the data channel module when receiving data Slow from the read-write distribution module and depositing request, be there is into Section 1 Slow counterfoils in the data Slow carried in the request, meanwhile, the first Slow that the Section 1 Slow counterfoils for writing data are placed in respective channel by the data channel module deposits last of area.
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